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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179803073 (SMSS J172459.35-204545.2)

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Data releaseDR4
RA (deg)261.247
Dec (deg)-20.763
Galactic lon. (deg)4.405
Galactic lat. (deg)8.330
E(B-V) (SFD98) (mag)0.732
E(B-V) (GNILC) (mag)0.644 ± 0.028
Nearest DR4 source 2268034288 (9.4 arcs away)
2nd-nearest DR4 source 179803099 (12.2 arcs away)
3rd-nearest DR4 source 179803072 (12.8 arcs away)
Times observed39
Total bad pixels10
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 16.664 ± 0.043 17.095 ± 0.021 13.407 ± 0.008 12.199 ± 0.014 11.162 ± 0.012 10.612 ± 0.014
Petrosian mag. 16.763 ± 0.076 17.069 ± 0.027 13.401 ± 0.007 12.203 ± 0.013 11.170 ± 0.011 10.603 ± 0.013

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
u 20140719114728 16.783 ± 0.050 0,0 40 3
u 20140722113951 16.821 ± 0.044 0,0 40 2
u 20140729110926 16.780 ± 0.057 0,0 40 3
u 20160420165902 16.985 ± 0.063 0,3 40 2
u 20180605124402 16.606 ± 0.050 0,0 40 2
u 20190505165326 16.642 ± 0.036 0,0 100 2
u 20190505170125 16.600 ± 0.029 0,0 100 2
u 20210407183350 16.741 ± 0.067 0,0 40 3
v 20140722114052 17.075 ± 0.071 0,0 20 2
v 20140729111025 17.157 ± 0.074 0,0 20 2
v 20160420170002 17.246 ± 0.098 0,0 20 2
v 20190505165526 17.075 ± 0.028 0,0 100 1
v 20190505170325 17.064 ± 0.023 0,0 100 1
v 20190505171125 17.145 ± 0.025 0,0 100 1
v 20210409151025 17.081 ± 0.049 0,0 100 2
v 20210412150202 17.148 ± 0.035 0,2 100 1
g 20140719114908 13.431 ± 0.019 0,0 5 2
g 20140722114132 13.415 ± 0.023 0,0 5 2
g 20140729111106 13.417 ± 0.015 0,0 5 2
g 20160420170043 13.438 ± 0.020 0,0 5 2
g 20180605124544 13.397 ± 0.023 0,0 5 2
g 20190505165725 13.419 ± 0.023 3,0 100 2
g 20190506165109 13.415 ± 0.018 2,0 100 2
g 20190507143127 13.422 ± 0.022 3,0 100 2
g 20190822094124 13.409 ± 0.031 3,0 100 2
g 20210407183532 13.393 ± 0.024 0,0 5 2
r 20140719114939 12.198 ± 0.021 0,0 5 2
r 20140722114203 12.213 ± 0.018 0,0 5 2
r 20140729111131 12.217 ± 0.021 0,0 5 2
r 20160420170109 12.220 ± 0.022 0,6 5 2
r 20190505165926 12.358 ± 0.031 7,25 100 2
r 20190506165309 12.408 ± 0.023 7,25 100 2
r 20190507143327 12.304 ± 0.028 7,20 100 2
r 20190822094324 12.305 ± 0.030 7,21 100 2
r 20210407183558 12.203 ± 0.029 0,0 5 2
i 20140719115004 11.179 ± 0.020 2,0 10 2
i 20140722114229 11.172 ± 0.025 0,0 10 2
i 20140729111202 11.171 ± 0.021 0,0 10 2
i 20150901084153 11.486 ± 0.027 6,103 100 2
i 20150901084554 11.503 ± 0.027 7,101 100 2
i 20160420170134 11.166 ± 0.026 0,0 10 2
i 20180605124636 11.165 ± 0.034 0,0 10 2
i 20180804082838 11.435 ± 0.026 7,52 100 2
i 20190505170526 11.448 ± 0.027 6,75 100 2
i 20190509140533 11.397 ± 0.034 8199,69 100 2
i 20190720124743 11.347 ± 0.05 7,47 100 2
i 20200513170714 11.358 ± 0.030 8198,25 100 2
i 20200513190610 11.239 ± 0.019 8195,11 100 2
i 20210407183626 11.159 ± 0.031 0,0 10 2
z 20140719115035 10.613 ± 0.024 2,0 20 2
z 20140722114259 10.619 ± 0.024 2,0 20 2
z 20140729111235 10.621 ± 0.022 2,0 20 2
z 20150901084353 10.872 ± 0.026 6,93 100 2
z 20150901084754 10.862 ± 0.026 6,90 100 2
z 20160420170204 10.615 ± 0.027 0,2 20 2
z 20180605124707 10.593 ± 0.033 2,3 20 2
z 20180804083039 10.878 ± 0.024 6,21 100 2
z 20190505170726 10.830 ± 0.028 6,61 100 2
z 20190509140733 10.773 ± 0.038 8195,31 100 2
z 20190720124943 10.754 ± 0.048 7,30 100 2
z 20200513170916 10.743 ± 0.026 8198,19 100 2
z 20200513183957 10.735 ± 0.037 31,169 100 2
z 20200513190811 10.69 ± 0.021 8195,0 100 2
z 20210407183658 10.598 ± 0.031 2,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 2.99
GAIA source ID 4121124685116949760 4121124685132319360
Bp mag. 13.173 --
G mag. 11.908 20.482
Rp mag. 10.810 --
Bp/Rp excess 1.384 --
Parallax (mas) 0.685 ± 0.018 -- ± --
PM RA (mas/yr) -0.725 ± 0.022 -- ± --
PM Dec (mas/yr) -3.009 ± 0.016 -- ± --
A.E.N. (mas) 0.096 ± 10.747 2.692 ± 1.340

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 9.065 ± 0.021
H 8.193 ± 0.037
K 7.893 ± 0.025
W1 7.82 ± 0.015
W2 7.892 ± 0.009
W3 7.754 ± 0.021
W4 7.812 ± 0.199
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.